Noctilucent clouds - aka night-shining clouds - can be seen at high latitudes in summer, typically beginning for northern latitudes in late May. French photographer Adrien Mauduit in Denmark assembled his best 2016 photos into a wondrous video.
They were the brightest objects nearly all night Sunday night, as seen from around the world. Here are a few photos from the EarthSky community. Thanks to all who submitted!
While you're watching for meteors Friday and Saturday mornings, watch for Venus, too. It's very bright and ascending in the east at dawn. Photo by Steve Scanlon Photography.
Keukenhof in Holland - situated on what once were hunting grounds for a 15th century castle - is now known for its tulips. Here's how one tulip field looked a few days ago.